2013 BMW 320i XDrive Is Leaking Oil

Discovering the Causes of Oil Leaks in Your 2013 BMW 320i xDrive and How to Address Them Effectively

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Reviewed by
Aisha
Written by RepairPal Car Genius
Updated January 14, 2025
0%
80% chance it's the
Oil System Components
0%
20% chance it's the
Engine Gaskets
The most common reasons a 2013 BMW 320i xDrive is leaking oil are oil system component failure and leaking engine gaskets.
  • Oil System Components: A failure in oil system components, such as a worn oil pump or clogged oil filter, can lead to inadequate lubrication and potential engine damage.
  • Engine Gaskets: A worn or damaged engine gasket can lead to oil or coolant leaks, resulting in engine overheating or loss of lubrication.
Proper diagnosis will determine the exact cause of your symptom, saving you money on unnecessary repairs. The diagnostic experts at RepairPal Certified shops have the right tools and experience to solve any symptom.

How much does it cost to fix a 2013 BMW 320i xDrive is leaking oil?

Common Repairs

The total repair cost will vary based on the condition of your vehicle and the number of repairs needed to fix your symptom. Proper diagnosis will save you money by finding the exact repairs needed to fix your car right the first time.

Oil pans don't wear out or break like other parts, they generally only need to be replaced because of external damage from an accident or an improperly tightened drain plug. The main symptom you will experience is an oil leak underneath the engine of your car. The oil that leaks from a damaged oil pan will range from dark brown to dark black. If the leak is large enough or occurs for long enough the oil level will be low enough to turn the oil pressure or low oil level warning light on.

An oil leak may be noted on the ground where the vehicle is parked. However, many vehicles have plastic trays underneath the engine that may catch leaking oil and conceal the leak. In such cases, a low oil level, a burning oil smell, or even smoke from oil burning in the engine bay may be noted.

»MORE: Signs of a bad oil pan gasket

A bad oil level sensor may cause a false reading of the engine oil level. The oil level warning light may illuminate even when the oil level (checked manually) is within an acceptable range. The warning light may also come on and off intermittently if the sensor is faulty. An error code may be sent to the PCM and a check engine light may come on the dashboard as well if the sensor is bad.

The engine oil pressure warning light will come on if the engine oil pressure is low, or if the oil pressure sensor is faulty. In either case, engine power may be reduced significantly. The check engine light may also illuminate, and an on-board diagnostic (OBD) trouble code will be stored in the vehicle's computer.

What steps should I take to diagnose the oil leak in my 2013 BMW 320i xDrive?

To effectively diagnose an oil leak in your 2013 BMW 320i xDrive, start with a thorough visual inspection of the area where you typically park. Look for any signs of oil pooling or stains on the ground, as well as any burning smells or smoke emanating from the engine while it’s running, which can indicate a leak. Next, carefully examine the engine compartment, focusing on common leak points such as the valve cover gasket, which is known to fail in many BMW models. If you notice any visible signs of oil accumulation, this could be a strong indicator of the leak's source. Should your inspection not yield clear results, it may be wise to consult a trusted independent BMW specialist who can provide a more detailed diagnosis. They possess the expertise to pinpoint the exact location of the leak and suggest appropriate repairs. Alternatively, visiting a BMW Service Center can also be beneficial, as they have specialized tools and knowledge to conduct a comprehensive assessment. Remember, addressing even minor oil leaks promptly is crucial to prevent potential engine damage, so take action as soon as you identify any issues.

What are the common causes of oil leaks in a 2013 BMW 320i xDrive?

When diagnosing oil leaks in a 2013 BMW 320i xDrive, it's essential to understand the common culprits that may be at play. One prevalent issue is oil system component failure, which can stem from wear and tear over time. Additionally, engine gaskets are prone to deterioration, leading to leaks as they age. A specific area of concern is the valve cover gasket, known for its tendency to fail in BMW models, resulting in noticeable oil seepage. Furthermore, as the vehicle accumulates mileage, worn engine seals can contribute to oil escaping from various seams. Lastly, the oil filter housing gasket is another frequent source of leaks that should not be overlooked. Addressing these issues promptly is crucial for maintaining the vehicle's performance and preventing more severe damage down the line. By being aware of these common causes, DIY enthusiasts can take proactive steps to inspect and repair their BMW, ensuring it remains in optimal condition.

How urgent is it to address the oil leak in my 2013 BMW 320i xDrive?

Addressing an oil leak in your 2013 BMW 320i xDrive is crucial for maintaining the health of your vehicle. Ignoring this issue can lead to a significant drop in oil levels, which compromises the lubrication necessary for your engine's components. Over time, this lack of lubrication can result in severe engine damage, including overheating and increased wear, ultimately leading to costly repairs. Additionally, if oil leaks onto hot engine parts, it may indicate a more serious problem that requires immediate attention. Regular maintenance and prompt action in addressing oil leaks not only enhance the performance of your BMW but also extend its lifespan. Therefore, it is essential to prioritize this issue to avoid further complications and ensure your vehicle operates smoothly.

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